Ubuntu Security Notice USN-3504-2
5th December, 2017
A security issue affects these releases of Ubuntu and its
- Ubuntu 12.04 LTS
curl could be made to crash if it received specially crafted
– GNOME XML library
USN-3504-1 fixed a vulnerability in libxml2. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Wei Lei discovered that libxml2 incorrecty handled certain parameter
entities. An attacker could use this issue with specially constructed XML
data to cause libxml2 to consume resources, leading to a denial of service.
The problem can be corrected by updating your system to the following
- Ubuntu 12.04 LTS:
To update your system, please follow these instructions:
In general, a standard system update will make all the necessary changes.